A fashionable crowd mingled at John Demsey’s Upper East Side townhouse for a Pisces party thrown by the Estée Lauder president along with CNN’s Alina Cho and Marilyn Gauthier. Guests included Lauder faces Liu Wen and Constance Jablonski, designers Carolina Herrera, Thom Browne, Sophie Theallet, Carly Cushnie and Michelle Ochs. Also there on Monday: Linda Fargo, Desiree Rogers and Fern Mallis, all charmed by Demsey’s 3-year-old daughter, Marie Helene, dressed in Lanvin.